National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

LYONS VALLEY (COWC1)

Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.

NA

60°F

16°C

Humidity 34%
Wind Speed WNW 14 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 17 Aug 04:01 AM PDT
Extended Forecast for

Hopland CA

  • Today

    Today: Sunny, with a high near 82. Breezy, with a west wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 82 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 48. Breezy, with a west northwest wind 8 to 18 mph, with gusts as high as 29 mph.

    Low: 48 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 84. Breezy, with a west wind 7 to 16 mph, with gusts as high as 25 mph.

    High: 84 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. Breezy, with a west wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.

    Low: 48 °F

    Clear and
    Breezy then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Calm wind becoming west around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. West wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 21 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 82. Breezy, with a west wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Tonight
Mostly clear, with a low around 48. Breezy, with a west northwest wind 8 to 18 mph, with gusts as high as 29 mph.
Monday
Sunny, with a high near 84. Breezy, with a west wind 7 to 16 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 48. Breezy, with a west wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.
Tuesday
Sunny, with a high near 89. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 51. West wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny and hot, with a high near 101.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hopland CA
 38.97°N 123.1°W (Elev. 577 ft)
Last Update:
10:05 pm PDT Aug 16, 2025
Forecast Valid:
4am PDT Aug 17, 2025-6pm PDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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